Saturn is a planet that has many moons in orbit around it. 0 1. 4 What is the name of the force that causes a moon to orbit Saturn? [1 mark] Figure 2 shows how speed varies with distance from the centre of Saturn for Saturn's largest moons. Figure 2 16 Mimas 14 Enceladus 12 Tethys Speed in km/s 10 Dione Rhea B Titar 4 100 000 300 000 500 000 700 000 900 000 1 100 000 1300 000 Distance in kilometres 0 1. 5 Saturn has a smaller moon called Methone which is not shown on Figure 2. The distance between Methone and the centre of Saturn is 200 000 km. Determine the speed of Methone. [1 mark] peedAnswer all questions in the spaces provided. 0 1 Figure 1 shows the orbits of some objects in the solar system. Figure 1 Sun B 0 1. 1 Which object is a comet? Tick one box. [1 mark] A E C D 0 1. 2 Which object is a moon? Tick one box. [1 mark] A B C D 0 1. 3 Complete the sentences. Use words from the box. [2 marks] galaxy moon planet star The Milky Way is a The Sun is a